Chinese expression "Keep it up!" / "¡Sigue así!"

百尺竿头，更进一步

băi chĭ gān tóu, gèng jìn yí bù

Even though one has reached great heights of success, one should still strive to improve oneself

Aunque uno haya alcanzado grandes alturas de éxito, aún debe esforzarse por mejorar